<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="98px">
      <el-form-item label="学员名称" prop="userName">
        <el-input
          v-model="queryParams.userName"
          placeholder="请输入学员名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="员工编号" prop="userNo">
        <el-input
          v-model="queryParams.userNo"
          placeholder="请输入员工编号"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="账号代持人" prop="holderNames">
        <el-input
          v-model="queryParams.holderNames"
          placeholder="请输入账号代持人"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
     <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
        >重新导入用户</el-button>

      </el-col>
      <el-col :span="1.5">
      <el-button
          type="primary"
          icon="el-icon-download"
          size="mini"
          @click="downTemplate"
          v-hasPermi="['system:school:down']"
        >下载导入模板</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="schoolList" :default-sort="{ prop: 'holderNames', order: 'descending' }"
          @sort-change="tableSortChange">
      <el-table-column label="序号" type="index" width="55" align="center" />
      <el-table-column label="学员名称" align="center" prop="userName" :sort-orders="['ascending', 'descending']"
            sortable="custom"/>
      <el-table-column label="员工编号" align="center" prop="userNo" :sort-orders="['ascending', 'descending']"
            sortable="custom"/>
            <el-table-column label="账号代持人" align="center" prop="holderNames" :sort-orders="['ascending', 'descending']"
            sortable="custom"/>
      
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

   <!-- 用户导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <!--<div class="el-upload__tip" slot="tip">
          <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据
          <el-link type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
        </div>-->
        <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“xls”或“xlsx”格式文件！</div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSchool, getSchool, delSchool, addSchool, updateSchool, exportSchool,templateDown } from "@/api/system/school";
import { getToken } from "@/utils/auth";
export default {
  name: "School",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 企业培训学校用户信息表格数据
      schoolList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userName: undefined,
        userNo: undefined,
        holderNames: undefined
      },
      // 表单参数
      form: {},
      // 用户导入参数
      upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/system/school/importData"
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询企业培训学校用户信息列表 */
    getList() {
      this.loading = true;
      listSchool(this.queryParams).then(response => {
        this.schoolList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        guid: undefined,
        userName: undefined,
        userNo: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "企业培训学校用户导入";
      this.upload.open = true;
    },
    downTemplate() {
       debugger;
       this.$confirm('是否确认下载企业培训学校用户上传模板?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return templateDown();
        }).then(response => {
            var bstr = window.atob(response),
            n = bstr.length,
            u8arr = new Uint8Array(n);
            while (n--) {
              u8arr[n] = bstr.charCodeAt(n);
            }
            const link = document.createElement('a');
            let blob = new Blob([u8arr], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
            link.style.display = 'none';
            //设置连接
            link.href = URL.createObjectURL(blob);
            link.download = '企业培训学校用户导入模板.xlsx';
            document.body.appendChild(link);
            //执行点击动作，实现下载
            link.click();
        })
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
    tableSortChange(column) {
      this.queryParams.pageNum = 1;
      if (column.order === "descending") {
        this.queryParams.sortBy = column.prop;
        this.queryParams.order = "desc";
      } else {
        this.queryParams.sortBy = column.prop;
        this.queryParams.order = "asc";
      }
      this.getList();
    },
  }
};
</script>